Strainer for water-supply pipes of locomotives



1. GUY

STRAINER FOR WATER SUPPLY PIPES 0F LOCOMOTIVES.

Patented Jan.13,1920.

APPLICATIDN FILED AUG-l6. 1918.

UNITED STATES PATENT OFFICE.

JOSEPH GUY, 0F HUMBERMOUTH, NEWFOUNDLAND.

STRAINER FOR WATER-SUPPLY PIPES OF LOCOMOTIVES.

Application filed August 16, 1918.

To all whom it may concern:

Be it known that I, Josnrn GUY, a subject of the King of Great Britain, residing at Humbermouth, Newfoundland, have invented certain new and useful Improvements in Strainers for VVater-Supply Pipes of Locomotives; and I do hereby declare that the following is a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

The present invention relates to strainers and more particularly to devices of this character adapted to be used within water supply pipes of locomotives for preventing dirt and other foreign matter from entering the boilers of the locomotives.

I-Ierebefore similar strainers have been used which have been placed at the water hose connection and the injection pipe of the locomotive but owing to the limited amount of space within these pipes the dirt can easily accumulate therein and it is also doubled at this place. Therefore these strainers have to be frequently cleaned which results in causing considerable delays and often trouble, as defective and leaking connections will result in continuously disconnecting these parts. In some cases the steam supplying pipe is connected to the injection pipe whereby the steam will be caused to pass through the strainer and blow the dirt through the hose connections into the tank of the locomotive tender, but owing to the pressure of the steam the hose will eventually be weakened and consequently it has to be often replaced.

An object of the present invention is to place a strainer within the water supply tank of the locomotive tender so that the water may be thoroughly filtered before entering the locomotive boiler, and should any dirt or other foreign substance accumulate about the filter the same will have plenty of room to circulate in without clogging up. the strainer or interfering with the supply of water, thereby eliminating any strainer troubles on the road or elsewhere.

With the above and other objects in. view which will hereinafter appear as the description continues, the invention consists of the novel features of construction, combination and formation of parts as will be hereinafter more fully described and particularly pointed out in the appended claims.

In the accompanying drawings has been Specification of Letters Patent.

Patented Jan. 13, 1920.

Serial No. 250,156.

shown a simple and preferred form of the invention, it being, however, understood that no limitation is necessarily made to the precise structural details herein exhibited, but the right is hereby reserved to any changes, alterations or modifications to which recourse may be ,had that come within the scope of the claims without departing from the spirit of the invention or sacrificing the efficiency of the same;

In the accompanying drawings- Figure 1 is an enlarged detail sectional view through a locomotive tender having one embodiment of the invention applied thereto.

Fig. 2 is a detail plan view of the strainer taken on the line 22 of Fig. 1 in the direction of the'arrows as shown; and,

Fig. 3 is a detail sectional view through the valve and the valve stem.

Referring now more particularly to the accompanying drawings wherein like and corresponding parts are designated by similar reference characters throughout the several views .7 In Fig. l of the drawings I have illustrated a water supply tank 6 which is carried by the locomotive tender and connecting therewith is a hose pipe 3 which latter may be connected through a suitably injected pipe to the boiler of the locomotive, whereby the water may be fed from the tender to the locomotive in the usual manner. Herebefore these hose pipes 3 have had arranged therein a suitable strainer so that the water as it is fed to the boiler of the locomotive will be properly filtered. Some of the strainers herebefore used have caused great inconvenience due to the fact that they cannot be properly cleaned, and therefore the present invention seeks to provide a strainer whereby the water will be properly filtered before entering the boilers of the locomotives, but such strainers may be easily and readily removed whereby they may be cleaned and all dirt or foreign matter removed therefrom. This water storage tank 6 is provided with an outlet connection.

The water supply tank 6 of the locomotive tender as shown in Fi 1 is provided with an outlet connection which is coupled with the hose pipe 3 and provided with a flange 8, a portion of which rests within the bottom of the tank 6. Adapted to surround the outer periphery of this inwardly projecting portion of the flange 8, is

the bolts 12 which extend through the ring 9, the outwardly projecting portion of the flange 8 and the bottom of the tank 6. The

- upper end of the strainer 11 is closed by means of a to Wall and the body portion, as well as this top wall, is provided with perforations so that the water may freely pass from the tank 6 into the outlet pipe 7 The numeral 1 1 indicates a bar which rests upon the strainer 11 and the weight of thls bar 14 keeps the strainer down in place between the flange 8 and the ring 9 and the opposite ends of this bar are bifurcated so I that they may encircle the rods 10 whereby the bar 14: will be retained in position upon the strainer. From this it Wlll be obvious that the strainer is retained in position without the use of any permanent fastening means, and when it is desired to remove the strainer all that it is necessary to do is to lift the bar 14 and raise the strainer out of position between the flange 8 and the ring 9. A thrust bar having its opposite ends connected to the sides of the tank 6 as at 164 is provided and the upper ends of the rods 10 are connected to this thrust bar as at 15. The valve stem 19 extends down through the tank 6 and also through the thrust bar, the bar 14 and the top wall of the strainer, which latter provide suitable bearings for the lower end of this valve stem. The valve 17 is connected to the lower end of this valve stem and is adapted to be seated within the mouth of the outlet connection 7 whereby the outlet opening may be opened and closed when desired. This valve 17 is provided with an arched bracket 18 and the lower end of the valve stem extends through this arched bracket and is connected thereto. By providing this arched bracket the operator' may readily gain access to the connection between the stem 19 and the valve so that when the strainer is raised the valve may be disconnected and the valve and the strainer may be removed from the tank when it is desired to repair the same or clean the outlet 7. The upper end of this valve stem extends through the tank 6 and is provided with a handle 20, whereby the valve may be. raised or lowered as desired. The lower end of this valve stem 19 is provided with a nut 21 for retaining the valve to the stem and extending through this nut and valve stem is a split pin 22 which securely locks the nut upon the valve stem.

By providing the strainer within the water supply tank 6, it is obvious that the water may be fed to the boiler of the locomotive without interruptions, and should any dirt or other foreign matter accumulate around the strainer this dirt will have ample room to circulate within the tank 6 without stopping or clogging the strainer. Therefore by providing such a strainer but little attention is needed and the same will work effectively at all times without constant cleaning.

Having thus fully described my invention, what I claim as new and desire to secure by Letters Patent is:

1. In combination with a locomotive water supply tank having an outlet connection communicating with its bottom and in the mouth of which is formed a valve seat, of a circular strainer in the tank engaged over said outlet connection and having a perforated top portion, a thrust bar arranged in and secured to the side walls of the tank, vertical stay rods adjacent the strainer and connected at their upper ends to said thrust bar, said rods having a connection with the strainer to prevent movement of the same with relation to the outlet connection, a rotatable valve stem extending through the top of said tank, a valve connected to the lower end of the stem adapted to engage in the seat in the outlet connection, and means connected to the upper end of the stem to facilitate rotation thereof.

2. The combination with a locomotive water supply tank and an outlet pipe communicating with the bottom thereof, a portion of said outlet pipe extending within said tank, a ring encircling the inwardly projecting portion of said pipe and spaced therefrom, a strainer comprising a circular body portion adapted to extend over said outlet pipe and having its lower end resting with in the space between the inwardly projecting portion of said outlet pipe and said ring,

I vertical rods carried by said ring, a bar resting upon said strainer and connected to said rods, a thrust bar secured within said tank, said rods being connected to said thrust bar, said outlet having a valve seat therein, a valve for said valve seat and arranged within said strainer, and a valve stem detachably connected to said valve substantially as and for the purpose specified.

In witness whereof I have hereunto set my hand.

JOSEPH GUY. Witnesses:

Ron'r. MOORE, Anon MCLELLAN. 

